Browsing Agricultural Sciences by Title

Now showing items 2535-2554 of 3926

    • Nanocomposites and their application in antimicrobial packaging 

      Brandelli, Adriano (2024) [Journal article]
      The advances in nanocomposites incorporating bioactive substances have the potential to transform the food packaging sector. Different nanofillers have been incorporated into polymeric matrixes to develop nanocomposite ...

    • Nanostructured antimicrobials for quality and safety improvement in dairy products 

      Brandelli, Adriano; Lopes, Nathalie Almeida; Pinilla, Cristian Mauricio Barreto (2023) [Journal article]
      In the food sector, one of the most important economic activities is the dairy industry, which has been facing many challenges in order to meet the increasing demand by consumers for natural and minimally processed products ...

    • Narrativas da transição : a produção agroecológica de arroz na região metropolitana de Porto Alegre 

      Bogni, André; Bracagioli Neto, Alberto (2018) [Journal article]
      A região metropolitana de Porto Alegre (RMPA) constitui um dos mais expressivos aglomerados urbanos do Brasil, englobando 34 municípios e cerca de 4 milhões de pessoas. Apesar da urbanização acelerada, a região conta com ...

    • Narrativas sobre sustentabilidade, produção orgânica e agroecologia nas políticas públicas de desenvolvimento rural no Brasil 

      Grisa, Catia; Chechi, Leticia Andrea (2016) [Journal article]
      Este artigo apresenta interpretações fundadas sobre a teoria das justificações referentes à implantação do assentamento Milton Santos, inscrito na modalidade Projeto de Desenvolvimento Sustentável proposta pelo Instituto ...

    • Nasal peripheral primitive neuroectodermal tumor in a heifer : case report 

      Argenta, Fernando Froner; Hammerschmitt, Marcia Elisa; Reis, Matheus de Oliveira; Cruz, Raquel Aparecida Sales da; Lorenzo, Cíntia de; Sonne, Luciana; Driemeier, David; Pavarini, Saulo Petinatti (2018) [Journal article]
      This report described the clinical signs, pathological and immunohistochemical findings associated with a peripheral primitive neuroectodermal tumor (pPNET) in the nasal cavity of a heifer. The heifer exhibited severe ...

    • Natural and improved natural pastures on the reproductive performance of first-calf beef cows 

      Tanure, Soraya; Pötter, Bernardo Augusto Albornoz; Lobato, Jose Fernando Piva (2011) [Journal article]
      This work evaluated the reproductive performance of first-calf cows at three years of age, submitted or not to protein supplementation at yearling on natural pastures. After calving, cows were managed on natural or improved ...

    • Natural and improved pastures on growth and reproductive performance of Hereford heifers 

      Rosa, Antônio Augusto Galarza; Vaz, Ricardo Zambarda; Lobato, Jose Fernando Piva (2012) [Journal article]
      This study evaluated yearling growth and reproductive performance of Hereford heifers at 24-26 months of age grazing on natural pastures at two stocking rates during winter and spring, associated or not to improved natural ...

    • Natural fertility and metals contents in soils of Rio Grande do Sul (Brazil) 

      Althaus, Daiana; Gianello, Clesio; Tedesco, Marino Jose; Silva, Kelly Justin da; Bissani, Carlos Alberto; Felisberto, Regina (2018) [Journal article]
      The parent geological materials and formation factors influence the chemical, physical, and mineralogical properties and composition of the soil. Therefore, the aims of this study were to determine the chemical and some ...

    • Natural genetic diversity of nutritive value traits in the genus Cynodon 

      Souza, Cleber Lopes de; Lopez, Yolanda; Munoz, Patricio; Anderson, William; Dall'Agnol, Miguel; Wallau, Marcelo Osório; Rios, Esteban Fernando (2020) [Journal article]
      The Cynodon spp. collection maintained by United States Department of Agriculture National Plant Germplasm System (USDA-NPGS) has limited information on nutritive value (NV) traits. In this study, crude protein (CP), ...

    • Natural pigments of microbial origin 

      Pailliè Jiménez, Maria Elisa; Stincone, Paolo; Brandelli, Adriano (2020) [Journal article]
      The world demands new solutions and products to be used as dyes for industrial applications. Microbial pigments represent an eco-friendly alternative as they can be produced in large amounts through biotechnological processes ...

    • NDVI and meteorological data as indicators of the Pampa biome natural grasslands growth 

      Fontana, Denise Cybis; Junges, Amanda Heemann; Bremm, Carolina; Schaparini, Laura Pigatto; Mengue, Vagner Paz; Wagner, Ana Paula Luz; Carvalho, Paulo Cesar de Faccio (2018) [Journal article]
      The present study aimed to characterize the dynamics of NDVI and meteorological conditions, relating both to the annual dynamics of biomass accumulation in natural pastures of the Pampa biome as a way of subsidizing growth ...

    • NDVI e fluxo de CO2 em lavoura de soja no Rio Grande do Sul 

      Rodrigues, Celso Pinheiro; Fontana, Denise Cybis; Moraes, Osvaldo Luiz Leal de; Roberti, Débora Regina (2013) [Journal article]
      O aumento das emissões dos gases de efeito estufa (GEE) se configura, atualmente, como um dos principais problemas ambientais, o que pode afetar significativamente as atividades humanas e os ecossistemas terrestres. Um dos ...

    • Necrotic enterocolitis in pigs naturally infected by porcine circovirus type 2 

      Zlotowski, Priscila; Corrêa, André Mendes Ribeiro; Barcellos, David Emilio Santos Neves de; Cardoso, Marisa Ribeiro de Itapema; Vasconcelos, Anilton Cesar; Castro, Luiza Amaral de; Driemeier, David (2009) [Journal article]
      Foram selecionadas amostras intestinais com enterite necrótica de 63 suínos naturalmente infectados pelo circovírus suíno tipo 2 (PCV2). Enterite necrótica associada com PCV2 ocorreu principalmente no cólon, em 60 casos. ...

    • Nematodeoses gastrintestinais em bovinos no Brasil : revisão de artigos publicados no período de 2012 a 2020 

      Maia, Daniela; Mattos, Mary Jane Tweedie de (2020) [Journal article]
      Os bovinos podem ser parasitados por nematódeos gastrintestinais que vão afetar a sua produtividade e as vezes levando ao seu óbito. Neste documento foram reunidas informações presentes na literatura sobre a ocorrência de ...

    • Neoplasmas bovinos diagnosticados no Setor de Patologia Veterinária da UFRGS, Porto Alegre (2005-2014) 

      Reis, Matheus de Oliveira; Slaviero, Mônica; Lorenzett, Marina Paula; Cruz, Raquel Aparecida Sales da; Guimarães, Lorena Lima Barbosa; Pavarini, Saulo Petinatti; Driemeier, David; Sonne, Luciana (2017) [Journal article]
      A retrospective study has been conducted with the objective of determining the types of bovine neoplasms and their frequency. Necropsy and biopsy cases with diagnosis of neoplasm in cattle submitted to the Setor de Patologia ...

    • Neoplasmas oculares e de anexos em cães e gatos no Rio Grande do Sul: 265 casos (2009-2014) 

      Hesse, Kivia L.; Fredo, Gabriela; Guimarães, Lorena Lima Barbosa; Reis, Matheus de Oliveira; Pigatto, João Antonio Tadeu; Pavarini, Saulo Petinatti; Driemeier, David; Sonne, Luciana (2015) [Journal article]
      Neoplasias oculares causam desconforto, problemas de visão e podem refletir doenças sistêmicas. Um estudo retrospectivo foi realizado para identificar e analisar neoplasmas oculares e de anexos obtidos por biópsias enviadas ...

    • Neoplasms in domestic hamsters in Southern Brazil : epidemiological and pathological aspects of 40 cases 

      Wentz, Maria Fernanda; Bianchi, Matheus Viezzer; Mello, Lauren Santos de; Pietzsch, Camila de Ávila; Alievi, Marcelo Meller; Driemeier, David; Sonne, Luciana; Pavarini, Saulo Petinatti (2020) [Journal article]
      Although neoplasms are commonly reported in domestic hamsters, retrospective studies approaching spontaneous tumors with data regarding epidemiological findings are scarce. The present study aimed to describe the epidemiological ...

    • Neosporose bovina: avaliação da transmissão vertical e fração atribuível de aborto em uma população de bovinos no Estado do Rio Grande do Sul 

      Hein, Héber Eduardo; Machado, Gustavo; Miranda, Igor Cesar Santos de; Costa, Eduardo de Freitas; Pellegrini, Débora da Cruz Payão; Driemeier, David; Corbellini, Luis Gustavo (2012) [Journal article]
      O protozoário Nespora caninum é um parasito que causa grandes perdas reprodutivas e econômicas em bovinos no mundo inteiro. Os objetivos deste estudo foram veri icar tanto a associação entre o histórico de aborto e a ...

    • Nervous form of listeriosis in buffaloes 

      Sánchez Prado, Robert Gustavo; Domiciano, Tarcisio Anderson de Oliveira; Paredes, Laura Jamille Argolo; Bezerra Junior, Pedro Soares; Pereira, Washington Luiz Assunção; Cerqueira, Valiria Duarte; Driemeier, David; Riet-Correa, Gabriela (2019) [Journal article]
      Listeriosis is a disease that affects several animal species, including humans, and has three different forms of presentation: encephalic, reproductive, or septicemic. The nervous form is caused mainly by the bacterium ...

    • Nested-PCR for the detection of Mycoplasma hyopneumoniae in bronchial alveolar swabs, frozen tissues and formalin-fixed paraffin-embedded swine lung samples: Comparative evaluation with immunohistochemical findings and histological features 

      Almeida, Paula Rodrigues de; Andrade, Caroline Pinto de; Almeida, Laura Lopes de; Oliveira, Luis G.S. de; Castro, Luiza Amaral de; Zlotowski, Priscila; Silva, Sergio Ceroni da; Driemeier, David (2012) [Journal article]
      The diagnosis of Mycoplasma hyopneumoniae infection is often performed through histopathology, immunohistochemistry (IHC) and polymerase chain reaction (PCR) or a combination of these techniques. PCR can be performed on ...